227531960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{138739}}^1$

素因数の和:138791

約数の個数: 32

約数和(自身を含む): 524437200

約数和(自身を除く): 296905240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 138739, 277478, 554956, 693695, 1109912, 1387390, 2774780, 5549560, 5688299, 11376598, 22753196, 28441495, 45506392, 56882990, 113765980, 227531960]

約数ペア:

[(1, 227531960), (2, 113765980), (4, 56882990), (5, 45506392), (8, 28441495), (10, 22753196), (20, 11376598), (40, 5688299), (41, 5549560), (82, 2774780), (164, 1387390), (205, 1109912), (328, 693695), (410, 554956), (820, 277478), (1640, 138739)]